Home / 14,263.28-19,680.94-8,295.20

Finding the Fourth Proportional to 14,263.28, 19,680.94 and 8,295.20

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Solution

The fourth proportional to 14,263.28, 19,680.94 and 8,295.20 is: 11,445.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,263.28 : 19,680.94 = 8,295.20 : x
  2. Step 2: Convert to fraction form
    14,263.28/19,680.94 = 8,295.20/x
  3. Step 3: Cross multiply
    14,263.28x = 19,680.94 × 8,295.20
  4. Step 4: Simplify right side
    14,263.28x = 163,257,292.01
  5. Step 5: Solve for x
    x = 163,257,292.01/14,263.28
  6. Step 6: Final answer
    x = 11,445.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.